Finding the Fourth Proportional to 8,410.50, 12,621.51 and 2,938.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,410.50 : 12,621.51 = 2,938.50 : x
2. Step 2: Convert to fraction form
   8,410.50/12,621.51 = 2,938.50/x
3. Step 3: Cross multiply
   8,410.50x = 12,621.51 × 2,938.50
4. Step 4: Simplify right side
   8,410.50x = 37,088,307.14
5. Step 5: Solve for x
   x = 37,088,307.14/8,410.50
6. Step 6: Final answer
   x = 4,409.76